package com.cencat.merchant.service.impl;

import com.cencat.common.utils.PageUtils.PageResult;
import com.cencat.merchant.dto.DispatchCreateDTO;
import com.cencat.merchant.dto.DispatchQueryDTO;
import com.cencat.merchant.entity.DispatchRecordEntity;
import com.cencat.merchant.service.DispatchRecordService;
import com.cencat.merchant.vo.DispatchRecordVO;
import com.cencat.merchant.vo.DispatchStatisticsVO;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
import org.springframework.stereotype.Service;

import java.time.LocalDateTime;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
 * 派单记录服务实现类
 * 
 * @author cencat
 * @since 2024
 */
@Slf4j
@Service
@RequiredArgsConstructor
public class DispatchRecordServiceImpl implements DispatchRecordService {
    
    @Override
    public DispatchRecordEntity createDispatch(DispatchCreateDTO createDTO) {
        log.info("创建派单记录: {}", createDTO);
        
        // TODO: 实现创建派单记录逻辑
        DispatchRecordEntity entity = new DispatchRecordEntity();
        entity.setId(System.currentTimeMillis()); // 临时ID生成
        entity.setCreateTime(LocalDateTime.now());
        entity.setDispatchStatus(1); // 待接单
        
        return entity;
    }
    
    @Override
    public DispatchRecordEntity manualDispatch(Long orderId, Long driverId, String remark) {
        log.info("手动派单 - 订单ID: {}, 司机ID: {}, 备注: {}", orderId, driverId, remark);
        
        // TODO: 实现手动派单逻辑
        DispatchRecordEntity entity = new DispatchRecordEntity();
        entity.setId(System.currentTimeMillis()); // 临时ID生成
        entity.setOrderId(orderId);
        entity.setDriverId(driverId);
        entity.setDispatchRemark(remark);
        entity.setAssignType(1); // 手动派单
        entity.setDispatchStatus(1); // 待接单
        entity.setCreateTime(LocalDateTime.now());
        
        return entity;
    }
    
    @Override
    public boolean acceptDispatch(Long recordId, Long driverId) {
        log.info("司机接单 - 记录ID: {}, 司机ID: {}", recordId, driverId);
        
        // TODO: 实现司机接单逻辑
        return true;
    }
    
    @Override
    public boolean rejectDispatch(Long recordId, Long driverId, String rejectReason) {
        log.info("司机拒单 - 记录ID: {}, 司机ID: {}, 拒绝原因: {}", recordId, driverId, rejectReason);
        
        // TODO: 实现司机拒单逻辑
        return true;
    }
    
    @Override
    public PageResult<DispatchRecordVO> queryDispatchRecords(DispatchQueryDTO queryDTO) {
        log.info("查询派单记录: {}", queryDTO);
        
        // TODO: 实现分页查询逻辑
        List<DispatchRecordVO> records = new ArrayList<>();
        return PageResult.<DispatchRecordVO>builder()
                .records(records)
                .total(0L)
                .current(queryDTO.getPageNum() != null ? queryDTO.getPageNum().longValue() : 1L)
                .size(queryDTO.getPageSize() != null ? queryDTO.getPageSize().longValue() : 10L)
                .pages(0L)
                .hasNext(false)
                .hasPrevious(false)
                .build();
    }
    
    @Override
    public DispatchRecordVO getDispatchRecordById(Long recordId) {
        log.info("获取派单记录详情 - 记录ID: {}", recordId);
        
        // TODO: 实现根据ID查询逻辑
        DispatchRecordVO vo = new DispatchRecordVO();
        vo.setId(recordId);
        vo.setCreateTime(LocalDateTime.now());
        
        return vo;
    }
    
    @Override
    public DispatchStatisticsVO getDispatchStatistics(Long tenantId, String startDate, String endDate) {
        log.info("获取派单统计信息 - 租户ID: {}, 时间范围: {} ~ {}", tenantId, startDate, endDate);
        
        // TODO: 实现统计查询逻辑
        DispatchStatisticsVO statistics = new DispatchStatisticsVO();
        statistics.setTotalDispatchCount(0L);
        statistics.setSuccessDispatchCount(0L);
        statistics.setFailedDispatchCount(0L);
        statistics.setDispatchTypeStats(new HashMap<>());
        statistics.setStatusStats(new HashMap<>());
        statistics.setDailyTrends(new ArrayList<>());
        statistics.setDriverRanks(new ArrayList<>());
        statistics.setMerchantRanks(new ArrayList<>());
        
        return statistics;
    }
    
    @Override
    public DispatchRecordVO convertToVO(DispatchRecordEntity entity) {
        if (entity == null) {
            return null;
        }
        
        DispatchRecordVO vo = new DispatchRecordVO();
        BeanUtils.copyProperties(entity, vo);
        
        return vo;
    }
}